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sws_utils: hardcode output gamma and primaries for XYZ

This commit is contained in:
Kacper Michajłow 2023-01-24 08:31:43 +01:00 committed by Leo Izen
parent f2fab0d8e1
commit 2101e77d1e
1 changed files with 10 additions and 0 deletions
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10
video/sws_utils.c
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@ -404,6 +404,16 @@ int mp_sws_scale(struct mp_sws_context *ctx, struct mp_image *dst,
return mp_zimg_convert(ctx->zimg, dst, src) ? 0 : -1;
#endif
if (src->params.color.space == MP_CSP_XYZ && dst->params.color.space != MP_CSP_XYZ) {
// swsscale has hardcoded gamma 2.2 internally and 2.6 for XYZ
dst->params.color.gamma = MP_CSP_TRC_GAMMA22;
// and sRGB primaries...
dst->params.color.primaries = MP_CSP_PRIM_BT_709;
// it doesn't adjust white point though, but it is not worth to support
// this case. It would require custom prim with equal energy white point
// and sRGB primaries.
}
struct mp_image *a_src = check_alignment(ctx->log, &ctx->aligned_src, src);
struct mp_image *a_dst = check_alignment(ctx->log, &ctx->aligned_dst, dst);
if (!a_src || !a_dst) {